1115144304225 has 96 divisors (see below), whose sum is σ = 2151029587200. Its totient is φ = 509558353920.

The previous prime is 1115144304193. The next prime is 1115144304257. The reversal of 1115144304225 is 5224034415111.

It is an interprime number because it is at equal distance from previous prime (1115144304193) and next prime (1115144304257).

It is not a de Polignac number, because 1115144304225 - 2⁵ = 1115144304193 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 68857729 + ... + 68873921.

It is an arithmetic number, because the mean of its divisors is an integer number (22406558200).

Almost surely, 2^{1115144304225} is an apocalyptic number.

1115144304225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1115144304225 is a deficient number, since it is larger than the sum of its proper divisors (1035885282975).

1115144304225 is a wasteful number, since it uses less digits than its factorization.

1115144304225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18904 (or 18885 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

Adding to 1115144304225 its reverse (5224034415111), we get a palindrome (6339178719336).

The spelling of 1115144304225 in words is "one trillion, one hundred fifteen billion, one hundred forty-four million, three hundred four thousand, two hundred twenty-five".